UNIT 2 Bio 11 Bacteria
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25 Terms
What are the four types of eubacteria bacteria
coccus, streptococcus, bacillus, spirillum
What kind of bacteria lives in extreme environments
domain archaebacteria
What is bacteria
prokaryotic unicellular organisms with no nucleus and no membrane bound organelles
Bacteria such as the bacteria that makes you sick or the good bacteria that helps make cheese is what kind of bacteria
Domain eubacteria
What bacteria is not in a chain and is round
coccus
What bacteria is round and is in a chain
streptococcus
What bacteria is rod shaped
bacillus
What bacteria is spiral shaped
spirillum
What are the two ways autotrophic bacteria get energy
Photo synthetic, chemosynthetic
What is the way heterotrophic bacteria get energy
Respiration
What is the definition of photo synthetic and chemosynthetic energy
photosynthetic use energy from the sun to make food and chemosynthetic use energy in chemicals to make food
What is the definition of respiration that heterotrophs use to get energy
heterotrophs consume food and use oxygen to make energy
What are the two ways bacteria reproduce
asexual and sexual
How do bacteria reproduce asexually
from binary fission
What is binary fission
one parent divides to form two identical offspring
How do bacteria reproduce sexually
conjugation
What is conjugation
Exchange genetic material through a tube that connects them
What are the three ways bacteria move
flagella, cilia and some are stationary
What are three ways bacteria are good for us
helps us digest food, used to make cheese yoghurt etc., breaks down dead material and returns nutrients to the environment
What factors affect bacterial growth
Temperature and nutrients and water
How does temperature affect growth
depends on the species of bacteria Max growth at optimal temperature
How does water affect growth
Determines the rate of metabolic activities
What is the ideal temperature for bacteria to grow
37 C
What is the ideal temperature to store food
8
What is the ideal temperature to stop bacteria growth
-18